hole back
相关英语词汇推荐
- single stage separation
- elastoplastic rock
- tilting cup feeder
- tunneling equipment
- full load running
- lump formation
- crusher head
- drop crushing
- hand held drifter
- workings
- bolt installing equipments
- cement injection
- internal impedance
- fast extraction
- through
- Intermediate product
- worm gear drive
- alidade
- burning time
- Residual expansion rate